498389831 has 2 divisors, whose sum is σ = 498389832. Its totient is φ = 498389830.

The previous prime is 498389803. The next prime is 498389839. The reversal of 498389831 is 138983894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 498389831 - 2⁶ = 498389767 is a prime.

It is a super-2 number, since 2×498389831² = 496784847288417122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498389839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249194915 + 249194916.

It is an arithmetic number, because the mean of its divisors is an integer number (249194916).

Almost surely, 2^498389831 is an apocalyptic number.

498389831 is a deficient number, since it is larger than the sum of its proper divisors (1).

498389831 is an equidigital number, since it uses as much as digits as its factorization.

498389831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 53.

The square root of 498389831 is about 22324.6462681943. The cubic root of 498389831 is about 792.8476151193.

The spelling of 498389831 in words is "four hundred ninety-eight million, three hundred eighty-nine thousand, eight hundred thirty-one".